2011-06-20_REVISION - C1981019 ‎(4)‎

• Permit No: C1981019
• IBM Index Class Name: Revision
• Doc Date: 6/20/2011
• Doc Name: Revised 3/28/2011 Exhibit 7 Item 23
• Type & Sequence: PR3
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
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21
Velocity and Manning's n calculations may not apply for this method.
Structure #24 (Culvert)
C2
Culvert Inputs:
Culvert Results:
Max. Entrance
Tailwater
Length (ft) Slope ( %) Manning's n Headwater ft Loss Coef.
(ft) O (Ke)
50.00 5.00 0.0240 5.00 0.00 0.90
Design Discharge = 13.43 cfs
Minimum pipe diameter: 1 - 18 inch pipe(s) required
Structure #23 ( Riprap Channel,
D13
Triangular Riprap Channel Inputs:
Material: Ri rrap
Left Right
w/o Freeboard w/ Freeboard
Design Discharge:
9.11 cfs
Depth:
0.30 ft 0.60 ft
Top Width:
1.20 ft 2.40 ft
Velocity*:
8.34 fps
X- Section Area:
0.18 sq ft
Hydraulic Radius:
0.134 ft
Froude Number *:
Manning's n *:
Dmin:
6.00 in
D50:
18.00 in
Dmax:
22.50 in
Velocity and Manning's n calculations may not apply for this method.
Structure #24 (Culvert)
C2
Culvert Inputs:
Culvert Results:
Max. Entrance
Tailwater
Length (ft) Slope ( %) Manning's n Headwater ft Loss Coef.
(ft) O (Ke)
50.00 5.00 0.0240 5.00 0.00 0.90
Design Discharge = 13.43 cfs
Minimum pipe diameter: 1 - 18 inch pipe(s) required
Structure #23 ( Riprap Channel,
D13
Triangular Riprap Channel Inputs:
Material: Ri rrap
Left Right
Freeboard Freeboard Freeboard
Sideslope Sideslope Slope ( %)
21.89 cfs
Ratio Ratio
Depth (ft) % of Depth Mult. x (VXD)
2.0:1 2.0:1 17.6
0.30
Riprap Channel Results:
PADER Method - Steep Slope Design
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Filename: Collom 1024 w east Divert 3 27.sc4
Exh. 7- 23A -25
Printed 03 -27 -2011
Revision Date: 03/25/11
Revision No.: PR -03
w/o Freeboard w/ Freeboard
Design Discharge:
21.89 cfs
Depth:
1.15 ft 1.45 ft
Top Width:
4.58 ft 5.78 ft
Velocity:
8.34 fps
Filename: Collom 1024 w east Divert 3 27.sc4
Exh. 7- 23A -25
Printed 03 -27 -2011
Revision Date: 03/25/11
Revision No.: PR -03